Home / 13,171.58-18,183.39-10,180.66

Finding the Fourth Proportional to 13,171.58, 18,183.39 and 10,180.66

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Solution

The fourth proportional to 13,171.58, 18,183.39 and 10,180.66 is: 14,054.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,171.58 : 18,183.39 = 10,180.66 : x
  2. Step 2: Convert to fraction form
    13,171.58/18,183.39 = 10,180.66/x
  3. Step 3: Cross multiply
    13,171.58x = 18,183.39 × 10,180.66
  4. Step 4: Simplify right side
    13,171.58x = 185,118,911.24
  5. Step 5: Solve for x
    x = 185,118,911.24/13,171.58
  6. Step 6: Final answer
    x = 14,054.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.